mirror of https://gitee.com/openkylin/libvirt.git
68 lines
2.0 KiB
Bash
68 lines
2.0 KiB
Bash
#
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# virsh & virt-admin completion command
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#
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_vsh_complete()
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{
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local words cword c=0 i=0 cur RO URI CMDLINE INPUT A
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# Here, $COMP_WORDS is an array of words on the bash
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# command line that user wants to complete. However, when
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# parsing command line, the default set of word breaks is
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# applied. This doesn't work for us as it mangles libvirt
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# arguments, e.g. connection URI (with the default set it's
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# split into multiple items within the array). Fortunately,
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# there's a fixup function for the array.
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_get_comp_words_by_ref -n "\"'><=;|&(:" -w words -i cword
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COMP_WORDS=( "${words[@]}" )
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COMP_CWORD=${cword}
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cur=${COMP_WORDS[$COMP_CWORD]}
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# See what URI is user trying to connect to and if they are
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# connecting RO. Honour that.
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while [ $c -le $COMP_CWORD ]; do
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word="${COMP_WORDS[c]}"
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case "$word" in
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-r|--readonly) RO=1 ;;
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-c|--connect) c=$((++c)); URI=${COMP_WORDS[c]} ;;
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*) if [ $c -ne 0 ] && [ $i -eq 0 ]; then i=$c; break; fi ;;
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esac
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c=$((++c))
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done
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CMDLINE=
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if [ -n "${RO}" ]; then
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CMDLINE="${CMDLINE} -r"
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fi
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if [ -n "${URI}" ]; then
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CMDLINE="${CMDLINE} -c ${URI}"
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fi
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INPUT=( "${COMP_WORDS[@]:$i:$COMP_CWORD}" )
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# Uncomment these lines for easy debug.
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# echo;
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# echo "RO=${flag_ro}";
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# echo "URI=${URI}";
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# echo "CMDLINE=${CMDLINE}";
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# echo "INPUT[${#INPUT[@]}]=**${INPUT[@]}**";
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# echo "cur=${cur}";
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# echo;
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# return 0;
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# Small shortcut here. According to manpage:
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# When the function is executed, the first argument ($1) is
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# the name of the command whose arguments are being
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# completed.
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# Therefore, we might just run $1.
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A=($($1 ${CMDLINE} complete -- "${INPUT[@]}" 2>/dev/null))
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COMPREPLY=($(compgen -W "${A[*]%--}" -- ${cur}))
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__ltrim_colon_completions "$cur"
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return 0
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} &&
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complete -o default -o filenames -F _vsh_complete virsh &&
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complete -o default -o filenames -F _vsh_complete virt-admin
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# vim: ft=sh:et:ts=4:sw=4:tw=80
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